Integration of Motor Drive and Charger System with Two-phase Motor and H-Bridge Inverter for Electric Vehicle

As electric vehicle (EV) performance continues to improve, the growing number of power converters necessary for connecting various power devices has introduced challenges such as increased part count, weight, and cost. In response to these challenges, this paper proposes a novel motor drive system that integrates AC and DC charging required for EVs. This system composed with Two-phase motor and H-bridge inverter. In the AC charging test, the power factor was 99.5%. In the DC charging test, the output voltage was controlled to be twice that of the input voltage by using the motor as an energy storage element. These results prove that it is possible to integrate AC and DC charging into the motor drive system, potentially leading to more compact and efficient EV designs.